1. Not sure about the size of your gutter holes No problem, these 6packs are suitable to withstand most blockages. 2. EASY TO USE No etra tools required, easy to adjust, you can tighten the gutter as much as you need. You just need to push it into the right place. 3. STOP CLOGGING Save yourself the hassle of constantly clearing your gutter protect your wallet from epensive repairs. With 6 rain gutter grates in the set, you can keep leaves, dirt and debris away from your gutters in an easy and effective way. 4. DURABLE MATERIAL We use non, waterproof and weatherproof aluminum. This gutter strainer is more sturdy. Durable enough to stay firmly in place and you dont need to reinstall it. Color Silver Material Aluminum Size 15 8.0 cm Package Contents 6 Filter Cap Above Package Contents Only, Other Products Are Not Included. Note Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is 13 cm.